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Storage systems and methods

  • US 10,549,914 B2
  • Filed: 04/15/2016
  • Issued: 02/04/2020
  • Est. Priority Date: 04/15/2015
  • Status: Active Grant
First Claim
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1. A storage system comprising:

  • a first set of parallel rails or tracks and a second set of parallel rails or tracks extending transverse to the first set in a substantially horizontal plane to form a grid pattern having a plurality of grid spaces;

    a set of uprights, the uprights and tracks together defining a framework;

    a plurality of storage containers arranged in stacks, located beneath the rails and within the framework;

    at least one load handling device disposed on and above the rails or tracks, the at least one load handling device including a body mounted on wheels, a first set of wheels arranged to engage with two rails of the first set of parallel rails, a second set of wheels arranged to engage with two rails of the second set of rails, the first set of wheels being independently moveable and driveable with respect to the second set of wheels such that when in motion only one set of wheels is engaged with the tracks or rails at any one time thereby enabling movement of the load handling device along the rails to any point on the grid by driving only the set of wheels engaged with the tracks or rails, the at least one load handling device including a lifting device arranged to lift one or more containers, or parts thereof, from a stack;

    wherein the framework includes a service means for providing services to the storage system and the containers located therein enabling interaction, control and monitoring of the system from within the framework.

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